Retirement Plans and Other Postretirement Benefits - Components of Net Periodic Benefit Cost (Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 132	$ 148
Interest cost	604	592
Expected loss on plan assets	(891)	(871)
Amortization of net actuarial loss (gain)	63	175
Net periodic benefit (income) cost	(92)	44
Other Post Retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	11	14
Interest cost	27	27
Expected loss on plan assets	0	0
Amortization of net actuarial loss (gain)	(11)	(28)
Net periodic benefit (income) cost	$ 27	$ 13